/*
 * Copyright 2018 beanit
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package com.beanit.iec61850bean.internal;

import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;

public class NamedThreadFactory implements ThreadFactory {

    private final AtomicInteger threadCounter = new AtomicInteger(1);
    private final String namePrefix;

    /**
     * Creates a thread factory with the given pool name as a name prefix. Threads created will have
     * the name {@code <poolName>-thread-<thread-counter>}. A common pool name is of format {@code
     * <pool-name>-<pool-id>}.
     *
     * @param poolName the thread pool name
     */
    public NamedThreadFactory(String poolName) {
        this.namePrefix = poolName + "-thread-";
    }

    @Override
    public Thread newThread(Runnable r) {
        Thread thread = new Thread(r);
        thread.setName(namePrefix + threadCounter.getAndIncrement());
        return thread;
    }
}
